| Oak Hills to Odessa (Texas) | 1,445.64 mi (2,326.54 km) |
| Oak Hills to Ogden (Utah) | 621.25 mi (999.80 km) |
| Oak Hills to Oildale (California) | 726.52 mi (1,169.22 km) |
| Oak Hills to Ojus (Florida) | 2,705.88 mi (4,354.70 km) |
| Oak Hills to Okemos (Michigan) | 1,897.67 mi (3,054.00 km) |
| Oak Hills to Oklahoma City (Oklahoma) | 1,492.67 mi (2,402.22 km) |
| Oak Hills to Okmulgee (Oklahoma) | 1,556.34 mi (2,504.69 km) |
| Oak Hills to Olathe (Kansas) | 1,497.06 mi (2,409.29 km) |
| Oak Hills to Old Jamestown (Missouri) | 1,716.69 mi (2,762.74 km) |
| Oak Hills to Oldsmar (Florida) | 2,494.45 mi (4,014.42 km) |
| Oak Hills to Olean (New York) | 2,198.66 mi (3,538.40 km) |
| Oak Hills to Olive Branch (Mississippi) | 1,870.57 mi (3,010.39 km) |
| Oak Hills to Olivehurst (California) | 451.19 mi (726.13 km) |
| Oak Hills to Olney (Maryland) | 2,345.98 mi (3,775.49 km) |
| Oak Hills to Olympia (Washington) | 103.76 mi (166.98 km) |
